* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.container {
  position: relative;
}
#input {
  /* width: 600px; */
  /* height: 100vh; */
  display: block;
  /* margin: 0 auto; */
  object-fit: cover;
}
#loading {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  display: none;
}
#loading .loadingImg {
  width: 130px;
  height: 130px;
  animation: loading 4s linear infinite;
  -webkit-animation: loading 4s linear infinite;
}
#loading p {
  font-size: 30px;
  color: #fff;
  margin-top: 20px;
}
@keyframes loading {
  from {
    transform: rotate(0);
    -webkit-transform: rotate(0);
    -moz-transform: rotate(0);
    -ms-transform: rotate(0);
    -o-transform: rotate(0);
  }
  to {
    transform: rotate(360deg);
    -webkit-transform: rotate(360deg);
    -moz-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    -o-transform: rotate(360deg);
  }
}
#mask {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
}
